From: Muchun Song <songmuchun@bytedance.com>
To: Wang Weiyang <wangweiyang2@huawei.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@kernel.org>,
Vladimir Davydov <vdavydov.dev@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Cgroups <cgroups@vger.kernel.org>,
Linux Memory Management List <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH -next] mm/memcg: Use struct_size() helper in kzalloc()
Date: Thu, 16 Dec 2021 17:44:38 +0800 [thread overview]
Message-ID: <CAMZfGtUBSqgnHM+DSG7na=7tbNMyj_qS8pEOCn9nDdkPEzi-4g@mail.gmail.com> (raw)
In-Reply-To: <20211216022024.127375-1-wangweiyang2@huawei.com>
On Thu, Dec 16, 2021 at 10:21 AM Wang Weiyang <wangweiyang2@huawei.com> wrote:
>
> Make use of the struct_size() helper instead of an open-coded version, in
> order to avoid any potential type mistakes or integer overflows that, in
> the worst scenario, could lead to heap overflows.
>
> Link: https://github.com/KSPP/linux/issues/160
> Signed-off-by: Wang Weiyang <wangweiyang2@huawei.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
prev parent reply other threads:[~2021-12-16 9:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-16 2:20 Wang Weiyang
2021-12-16 9:44 ` Muchun Song [this message]
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